Re: [BUGS] BUG #14720: getsockopt(TCP_KEEPALIVE) failed: Option notsupported by protocol

On Wed, Jun 28, 2017 at 7:26 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Concretely, something like the attached.  I have no way to test this
> locally, so I'm thinking of just pushing it and seeing what the buildfarm
> says.

! #if defined(TCP_KEEPIDLE)
!     /* TCP_KEEPIDLE is the name of this option on Linux and *BSD */     if (setsockopt(port->sock, IPPROTO_TCP,
TCP_KEEPIDLE,                   (char *) &idle, sizeof(idle)) < 0)     {         elog(LOG, "setsockopt(TCP_KEEPIDLE)
failed:%m");         return STATUS_ERROR;     }
 
! #elif defined(TCP_KEEPALIVE_THRESHOLD)
What about defining a PG_TCP_KEEPALIVE instead?

Side note: Windows has something with a different set of options:
https://msdn.microsoft.com/en-us/library/windows/desktop/ms740476(v=vs.85).aspx
-- 
Michael


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